Which one of the following is wrong about Chara?
1. upper oogonium and lower round antheridium
2. Globule and nucule present on the same plant
3. Upper antheridium and lower oogonium
4. Globule is male reproductive structure
Monoecious plant of Chara shows the occurrence of:
1. | Stamen and carpel of the same plant |
2. | upper antheridium and lower oogonium on the same plant |
3. | upper ooganium and lower antheridium on the same plant |
4. | antheridiophore and archegoniophore on the same plant |
Meiosis takes place in:
1. | Conidia | 2. | Gemmule |
3. | Megaspore | 4. | Meiocyte |
Which one of the following plants is monoecious?
1. | Marchantia | 2. | Pinus |
3. | Cycas | 4. | Papaya |
What is true about the given figure?
1. | The plant concerned is Chara, A is Oogonium and B is Antheridium |
2. | The plant concerned is Chara, B is Oogonium and A is Antheridium |
3. | The plant concerned is Marchantia, A is Oogonium and B is Antheridium |
4. | The plant concerned is Marchantia, B is Oogonium and A is Antheridium |
A technique of micro-propagation is:
In ginger vegetative propagation occurs through:
Which of the following pairs is not correctly matched?
Mode of reproduction | Example | ||
(a) | Offset | (i) | Water hyacinth |
(b) | Rhizome | (ii) | Banana |
(c) | Binary fission | (iii) | Sargassum |
(d) | Conidia | (iv) | Penicilium |
1. a
2. b
3. c
4. d
Offsets are produced by:
1. | Meiotic divisions |
2. | Mitotic divisions |
3. | Parthenocarpy |
4. | Parthenogenesis |